Publications from the Instituut-Lorentz in the year 1960

   * Mazur P, Montroll E
           Poincare cycles, ergodicity, and irreversibility in assemblies of
           coupled harmonic oscillators
           J MATH PHYS 1 (1): 70-84 1960
	   
   * Caspers WJ
           On the theory of spin-spin relaxation .1.
           PHYSICA 26 (10): 778-797 1960 

   * Caspers WJ
           On the theory of spin-spin relaxation .2.
           PHYSICA 26 (10): 798-808 1960 

   * Caspers WJ
           On the theory of spin-spin relaxation .3.
           PHYSICA 26 (10): 809-824 1960